Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP levenshtein() Function.
The built-in levenshtein() function in PHP is used to calculate and return the levenshtein distance between two strings.
The built-in levenshtein() function in PHP is used to calculate and return the levenshtein distance between two strings.
Syntax
Following below is the syntax to use this function -
int levenshtein ( string $str1 , string $str2 )
READ: PHP | join() Function
Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | str1 One of the strings being evaluated for Levenshtein distance. |
2 | str2 Second strings being evaluated for Levenshtein distance. |
3 | cost_ins Defines the cost of insertion. |
4 | cost_del Defines the cost of deletion. |
Return Value
It returns the levenshtein distance between two argument strings, else -1 if one of the argument strings is longer than the limit of 255 characters.
Example
Try out the example below -
<?php echo 'the distance between two strings is '; echo levenshtein("Hello World","ello World"); ?>
Output
When the above code is executed, it will produce the following result -
the distance between two strings is 1
READ: PHP | lcfirst() Function
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP localeconv() Function.
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